Cleaning brush



FIG. 1 is an isometric view of a cleaning brush according to the present disclosure;

FIG. 2 is a front view of the cleaning brush of FIG. 1;

FIG. 3 is a right view of the cleaning brush of FIG. 1;

FIG. 4 is a back view of the cleaning brush of FIG. 1;

FIG. 5 is a top view of the cleaning brush of FIG. 1;

FIG. 6 is a left view of the cleaning brush of FIG. 1; and,

FIG. 7 is a bottom view of the cleaning brush of FIG. 1.

Broken lines and unshaded portions contained within broken lines depict portions of the cleaning brush that are environmentally illustrative only and form no part of the claimed design. 

CLAIM The ornamental design for a cleaning brush, as shown and described. 